Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB5TAN callsign genealogy
Currently held by NEWTON, WILLIAM A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KB5TAN's current licensee, walking backwards.
- Newton III, William ATXgranted 2007-03-16cancelled 2007-04-10
Successor callsigns
Callsigns held now by people who previously held KB5TAN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5TAN, oldest first.
- NEWTON, WILLIAM A TX1992-06-09 → cancelled 2004-06-11
- Newton III, William A TX2017-03-23 active